undetected

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Some ships have also transited Hormuz undetected: There have been reports that some ships have turned off their GPS-like signals and transited incognito, either for safety or because they are part of so-called shadow fleets.

From MarketWatch • Jun. 9, 2026

Health authorities suspect many more people have been infected and in a wider area because the virus spread undetected for weeks.

From The Wall Street Journal • May 22, 2026

A phishing email was used to launch the hack which allowed the cyber attackers to install malicious software and it remained undetected within the organisation's systems for 20 months.

From BBC • May 12, 2026

A higher threshold may reduce wrongful interventions but could allow legitimate threats to go undetected.

From Salon • May 12, 2026

He did this by adding a cosmological constant, an as yet undetected force that counteracts the force of gravity.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife